7224100 has 36 divisors (see below), whose sum is σ = 16885204. Its totient is φ = 2666880.

The previous prime is 7224097. The next prime is 7224101. The reversal of 7224100 is 14227.

It can be written as a sum of positive squares in 6 ways, for example, as 30976 + 7193124 = 176^2 + 2682^2 .

It is not an unprimeable number, because it can be changed into a prime (7224101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1479 + ... + 4078.

Almost surely, 2^7224100 is an apocalyptic number.

It is an amenable number.

7224100 is an abundant number, since it is smaller than the sum of its proper divisors (9661104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7224100 is a wasteful number, since it uses less digits than its factorization.

7224100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584 (or 5577 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 7224100 is about 2687.7685912295. The cubic root of 7224100 is about 193.3130841522.

Adding to 7224100 its reverse (14227), we get a palindrome (7238327).

The spelling of 7224100 in words is "seven million, two hundred twenty-four thousand, one hundred".